I'm not able to replicate this personally (probably because I'm using 100% English).  What language are you using?

I do not see a problem with the export."Ticket Number","Date","Subject","From","From Email","Priority","Department","Help Topic","Source","Current Status","Last Updated","Due Date","Overdue","Answered","Assigned To","Staff Assigned","Team Assigned","Agency","company""123123","2014-04-11 13","Энэ нь монгол туршилтын өгүүлбэр юм,","Neil Test","nonym@faux.org","Normal","ITTeam","General Support","Phone","open","2014-04-11 13","2014-04-13 13","0","0","","","","22 Acacia Ave",""I do see an issue with opening the csv in MS Excel, but I imagine that would be a language encoding issue in Excel as opening the file in a text editor is fine.